The UNESCO Courier: 2009 - Number 3: Troubled water
Increased demand, waste and insufficient investment: water shortage may come sooner than we think. Although water covers three-quarters of the world’s surface, only 0.0075% of this immense volume is available for humanity’s use. Some countries have already reached the limits of their resources.
We must act now, warns the just-launched United Nations World Water Development Report, “Water in a changing world”, which assesses the global water situation. The UNESCO Courier examines some strategies for better management.